Welding shield



FIG. 1 is a perspective view of the welding shield showing my new design;

FIG. 2 is a perspective view thereof with the viewing window open;

FIG. 3 is a side elevational view thereof, the opposite side being identical;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a welding shield, as shown and described. 